Find out what a flight from Ontario to Washington National might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Ontario and Washington.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Best airport options between Ontario and Washington

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in Ontario: Ontario is the only operating airport.
• Airports in Washington: In Washington, 3 airports are available - Dulles international, Ronald Reagan, Washington International.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Compare flights from Ontario to Washington National with advanced filters

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Other popular destinations

Looking for alternatives in United States? Travelers also liked: Las Vegas, Los Angeles, Miami, New York City, Orlando.

If you have a preferred time to leave or arrive, filters can help you show only the matching flights. You can also filter by your favorite airline and see only those deals.